/*
 * Copyright 2019 WeBank
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.webank.wedatasphere.linkis.cs.contextcache.metric;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class SizeEstimator {

    private static final Logger logger = LoggerFactory.getLogger(SizeEstimator.class);


    private static ClassIntrospector classIntrospector = new ClassIntrospector();

    public static Long estimate(Object obj) {
        try {
            if (obj == null){
                return  0L;
            }
            ObjectInfo info = classIntrospector.introspect(obj);
            return info.getDeepSize();
        } catch (Throwable e) {
            logger.info("estimate size failed", e);
        }
        return 0L;
    }

}

